Illustration: Richard A.Chance Last winter, as her anxiety reached a new zenith, 7-year-old Hayley would often stop on Eighth Avenue in Park Slope and lie down on the sidewalk, staging a full-body protest against attending second grade at her zoned public school. “I’m not going,” she would wail, red-faced and sweating. “I hate it. I hate you! You can’t make me!” Instead of a ten-minute walk to school, negotiations could last up to two hours with her mother, Diana, alternating incentives with